Tutorial by Examples: ha

Orphan nodes/vertices are those lacking all relationships/edges. MATCH (n) WHERE NOT (n)--() DELETE n

Class for which you will create unit test case. class Authorization { /* Observer so that mock object can work. */ public function attach(Curl $observer) { $this->observers = $observer; } /* Method for which we will create test */ public function postAuthorization($url, $met...

A method called in one object will move up the chain of objects until one is found that can properly handle the call. This particular example uses scientific experiments with functions that can just get the title of the experiment, the experiments id or the tissue used in the experiment. abstract c...

Here are a simple example of some common tasks related to developing an API, differentiating between the HTTP Method of the request, accessing query string values and accessing the request body. Resources http.Handler interface http.ResponseWriter http.Request Available Method and Status cons...

Wolfram define Mathematica as "The world's definitive system for modern technical computing". A bold statement which is partially true. It's probably not the most predominant (as you have to pay quite a bit for commercial use) system so people use Python or R for example. What it is, is th...

Basic docs can be found here app.get('/path/:id(\\d+)', function (req, res, next) { // please note: "next" is passed if (req.params.id == 0) // validate param return next(new Error('Id is 0')); // go to first Error handler, see below // Catch error on sync operation ...

We have a set of data We would like to see by using the following expression in the detail textbox. we can achieve the Remark =IIF(Fields!Points.Value>=10,"Good","Average")

Using the Swift class Mirror works if you want to extract name, value and type (Swift 3: type(of: value), Swift 2: value.dynamicType) of properties for an instance of a certain class. If you class inherits from NSObject, you can use the method class_copyPropertyList together with property_getAttrib...

If you want to upload .ipa file to itunesconnect without integrating developer account in Xcode and you want to use application loader. then you can generate .ipa with iTunes . Step 1 :- Select device inplace of simulator. Step 2 :- Go to Product -> select Archive Step 3 :- After complited...

A named pipe is really just a special kind of file (a FIFO file) on the local hard drive. Unlike a regular file, a FIFO file does not contain any user information. Instead, it allows two or more processes to communicate with each other by reading/writing to/from this file. A named pipe works much...

The invoice number is used to verify the sale for publishers. Many publishers of paid asset or plugin ask for the invoice number upon request of support. The invoice number is also used as a license key to activate some asset or plugin. The invoice number can be found in two place: After you b...

Step 1: Add the dependency of latest ACRA AAR to your application gradle(build.gradle). Step 2: In your application class(the class which extends Application; if not create it) Add a @ReportsCrashes annotation and override the attachBaseContext() method. Step 3: Initialize the ACRA class in your...

Orchard is a free, open source, community-focused Content Management System built on the ASP.NET MVC platform. Orchard is built on a modern architecture that puts extensibility up-front, as its number one concern. All components in Orchard can be replaced or extended. Content is built from easily c...

When only a single argument is supplied to numpy's where function it returns the indices of the input array (the condition) that evaluate as true (same behaviour as numpy.nonzero). This can be used to extract the indices of an array that satisfy a given condition. import numpy as np a = np.arang...

The documentation for docker events provides details, but when debugging it may be useful to launch a container and be notified immediately of any related event: docker run... & docker events --filter 'container=$(docker ps -lq)' In docker ps -lq, the l stands for last, and the q for quiet. Th...

In the scenario that a controller throws an exception, we can define exception handler methods to build and return specific responses. It is important to note that the defined exception handlers within the given controller will only apply to exceptions that occur within that controller. @Controller...

Hash function h() is an arbitrary function which mapped data x ∈ X of arbitrary size to value y ∈ Y of fixed size: y = h(x). Good hash functions have follows restrictions: hash functions behave likes uniform distribution hash functions is deterministic. h(x) should always return the same v...

If you are attempting to get an Angular2 site running on your Windows work computer at XYZ MegaCorp the chances are that you are having problems getting through the company proxy. There are (at least) two package managers that need to get through the proxy: NPM Typings For NPM you need to ad...

import { expect } from 'chai'; import { createStore } from 'redux'; describe('redux store test demonstration', () => { describe('testReducer', () => { it('should increment value on TEST_ACTION', () => { // define a test reducer with initial state: test: 0 const te...

HtmlHelper.Action() @Html.Action(actionName: "Index") output: The HTML rendered by an action method called Index() @Html.Action(actionName: "Index", routeValues: new {id = 1}) output: The HTML rendered by an action method called Index(int id) @(Html.Action("In...